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Stock List Crystals & Substrates

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SurfaceNet GmbH Germany (Crystals, Substrates, Service)
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Calcite ( CaCO3 ) Calcium carbonate (calate)

 

Crystal properties

 

 

Crystal Type

trigonal

Calcite CaCO3, SurfaceNet GmbH Germany

Transmission Range

0.25 ... 2.3 µm

Refractive Index

no=1,6654 / ne=1,4898 @ 509 nm

Density

2.711 g/cm3 @ 25 °C

Melting Point

894 °C (decomposes)

Molecular Weight

101.9613

Thermal Expansion

13 × 10–6 / K

Hardness (Knoop)

3 Mohs

 

Young’s Modulus

69.9 GPa

 

Shear Modulus

35 GPa

 

Bulk Modulus

98 GPa

 

Solubility in Water

none

 

Crystal Structure

Single crystal, synthetic

 

Application

polarisers

 

List of Optical Crystals

Materials

Refractive Index

Transmission
Range (mm)

Density
(g/cm³)

Thermal Expansion 
Coefficient (10-6
/K) 

BK7 glass

1.5164 (588 nm)

0.330 – 2.1

2.51

7.5 

SF11 glass

1.78472 (588 nm)

0.370 – 2.5

4.74

6.8 

F2 glass

1.62004 (588 nm)

0.420 – 2.0

3.61

8.2 

Fused Silica

1.4858 (308 nm)

0.185 – 2.5

2.20

0.55 

CaF2

1.399  (5.0 mm)

 0.170 – 7.8

 3.18

 18.85 

BaF2

 1.460 (3.0 um)

 0.15 – 12.0

 4.88

 18.4 

Sapphire

1.755 (1.0mm)

0.180 – 4.5

3.98

8.4 

Silicon

3.4179 (10mm)

 1.200 – 7.0

 2.33

 4.15 

Ge

4.003 (10 mm)

 1.900 – 16

 5.33

 6.1 

ZnSe

2.40  (10 mm)

0.630 – 18

5.27

7.8 

ZnS

2.2 (10mm)

0.380 –14

4.09

6.5 

LiF

1.39 (500 nm)

 0.150 – 5.2

 2.64

37 

KBr

1.526 (10 mm)

 0.280 – 22

 2.75

43 

 MgF2

no =  1.3836  ne = 1.3957 (405 nm)

0.130 – 7.0

7.37

a: 13.7         b: 8.48 

YVO4

no = 1.9500  ne = 2.1554 (1.3 mm)

0.400 – 5.0

4.22

a: 4.46       b: 11.37 

Calcite

no =  1.6557  ne = 1.4852 (633 nm)

0.210 – 2.3

2.75

a: 24.39        b: 5.68 

Quartz

no =  1.5427  ne = 1.5518 (633 nm)

0.200 – 2.3

2.65

7.07 

α-BBO

no =  1.6749  ne = 1.5555 (532 nm)

0.190 – 3.5

3.85

a: 4.0           c: 36 

LiNbO3

no =  2.2863  ne = 2.2027 (633 nm)

0.370 – 4.5

4.64

a: 16.7          c: 2.0 

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